21791273640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{167987}}^1$

素因数の和:168071

約数の個数: 128

約数和(自身を含む): 69667983360

約数和(自身を除く): 47876709720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 345, 376, 460, 470, 552, 564, 690, 705, 920, 940, 1081, 1128, 1380, 1410, 1880, 2162, 2760, 2820, 3243, 4324, 5405, 5640, 6486, 8648, 10810, 12972, 16215, 21620, 25944, 32430, 43240, 64860, 129720, 167987, 335974, 503961, 671948, 839935, 1007922, 1343896, 1679870, 2015844, 2519805, 3359740, 3863701, 4031688, 5039610, 6719480, 7727402, 7895389, 10079220, 11591103, 15454804, 15790778, 19318505, 20158440, 23182206, 23686167, 30909608, 31581556, 38637010, 39476945, 46364412, 47372334, 57955515, 63163112, 77274020, 78953890, 92728824, 94744668, 115911030, 118430835, 154548040, 157907780, 181593947, 189489336, 231822060, 236861670, 315815560, 363187894, 463644120, 473723340, 544781841, 726375788, 907969735, 947446680, 1089563682, 1452751576, 1815939470, 2179127364, 2723909205, 3631878940, 4358254728, 5447818410, 7263757880, 10895636820, 21791273640]

約数ペア:

[(1, 21791273640), (2, 10895636820), (3, 7263757880), (4, 5447818410), (5, 4358254728), (6, 3631878940), (8, 2723909205), (10, 2179127364), (12, 1815939470), (15, 1452751576), (20, 1089563682), (23, 947446680), (24, 907969735), (30, 726375788), (40, 544781841), (46, 473723340), (47, 463644120), (60, 363187894), (69, 315815560), (92, 236861670), (94, 231822060), (115, 189489336), (120, 181593947), (138, 157907780), (141, 154548040), (184, 118430835), (188, 115911030), (230, 94744668), (235, 92728824), (276, 78953890), (282, 77274020), (345, 63163112), (376, 57955515), (460, 47372334), (470, 46364412), (552, 39476945), (564, 38637010), (690, 31581556), (705, 30909608), (920, 23686167), (940, 23182206), (1081, 20158440), (1128, 19318505), (1380, 15790778), (1410, 15454804), (1880, 11591103), (2162, 10079220), (2760, 7895389), (2820, 7727402), (3243, 6719480), (4324, 5039610), (5405, 4031688), (5640, 3863701), (6486, 3359740), (8648, 2519805), (10810, 2015844), (12972, 1679870), (16215, 1343896), (21620, 1007922), (25944, 839935), (32430, 671948), (43240, 503961), (64860, 335974), (129720, 167987)]